var nbsp = 160;		// non-breaking space char
var node_text = 3;	// DOM text node-type
var emptyString = /^\s*$/ ;
var global_valfield;	// retain valfield for timer thread

// --------------------------------------------
//                  trim
// Trim leading/trailing whitespace off string
// --------------------------------------------

function trim(str)
{
  return str.replace(/^\s+|\s+$/g, '');
}
// --------------------------------------------
//                  setfocus
// Delayed focus setting to get around IE bug
// --------------------------------------------
function setFocusDelayed()
{
  global_valfield.focus();
}

function setfocus(valfield)
{
  // save valfield in global variable so value retained when routine exits
  global_valfield = valfield;
  setTimeout( 'setFocusDelayed()', 100 );
}
// --------------------------------------------
//                  msg
// Display warn/error message in HTML element.
// commonCheck routine must have previously been called
// --------------------------------------------

function msg(fld,     // id of element to display message in
             msgtype, // class to give element ("warn" or "error")
             message) // string to display
{
  // setting an empty string can give problems if later set to a 
  // non-empty string, so ensure a space present. (For Mozilla and Opera one could 
  // simply use a space, but IE demands something more, like a non-breaking space.)
  var dispmessage;
  if (emptyString.test(message)) 
    dispmessage = String.fromCharCode(nbsp);    
  else  
    dispmessage = message;

  var elem = document.getElementById(fld);
  elem.firstChild.nodeValue = dispmessage;  
  
  elem.className = msgtype;   // set the CSS class to adjust appearance of message
}

// --------------------------------------------
//            commonCheck
// Common code for all validation routines to:
// (a) check for older / less-equipped browsers
// (b) check if empty fields are required
// Returns true (validation passed), 
//         false (validation failed) or 
//         proceed (don't know yet)
// --------------------------------------------

var proceed = 2;  

function commonCheck    (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  if (!document.getElementById) 
    return true;  // not available on this browser - leave validation to the server
  var elem = document.getElementById(infofield);
  if (!elem.firstChild) return true;  // not available on this browser 
  if (elem.firstChild.nodeType != node_text) return true;  // infofield is wrong type of node  

  if (emptyString.test(valfield.value)) {
    if (required) {
      msg (infofield, "error", "ERROR: required");  
      setfocus(valfield);
      return false;
    }
    else {
      msg (infofield, "warn", "");   // OK
      return true;  
    }
  }
  return proceed;
}

// --------------------------------------------
//            validatePresent
// Validate if something has been entered
// Returns true if so 
// --------------------------------------------

function validatePresent(valfield,   // element to be validated
                         infofield ) // id of element to receive info/error msg
{
  var stat = commonCheck (valfield, infofield, true);
  if (stat != proceed) return stat;

  msg (infofield, "warn", "");  
  return true;
}

// --------------------------------------------
//               validateEmail
// Validate if e-mail address
// Returns true if so (and also if could not be executed because of old browser)
// --------------------------------------------

function validateEmail  (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  var stat = commonCheck (valfield, infofield, required);
  if (stat != proceed) return stat;

  var tfld = trim(valfield.value);  // value of field with whitespace trimmed off
  var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/  ;
  if (!email.test(tfld)) {
    msg (infofield, "error", "ERROR: not a valid e-mail address");
    setfocus(valfield);
    return false;
  }

  var email2 = /^[A-Za-z][\w.-]+@\w[\w.-]+\.[\w.-]*[A-Za-z][A-Za-z]$/  ;
  if (!email2.test(tfld)) 
    msg (infofield, "warn", "Unusual e-mail address - check if correct");
  else
    msg (infofield, "warn", "");
  return true;
}


// --------------------------------------------
//            validateTelnr
// Validate telephone number
// Returns true if so (and also if could not be executed because of old browser)
// Permits spaces, hyphens, brackets and leading +
// --------------------------------------------

function validateTelnr  (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  var stat = commonCheck (valfield, infofield, required);
  if (stat != proceed) return stat;

  var tfld = trim(valfield.value);  // value of field with whitespace trimmed off
  var telnr = /^\+?[0-9 ()-]+[0-9]$/  ;
  if (!telnr.test(tfld)) {
    msg (infofield, "error", "ERROR: not a valid telephone number. Characters permitted are digits, space ()- and leading +");
    setfocus(valfield);
    return false;
  }

  var numdigits = 0;
  for (var j=0; j<tfld.length; j++)
    if (tfld.charAt(j)>='0' && tfld.charAt(j)<='9') numdigits++;

  if (numdigits<6) {
    msg (infofield, "error", "ERROR: " + numdigits + " digits - too short");
    setfocus(valfield);
    return false;
  }

  if (numdigits>14)
    msg (infofield, "warn", numdigits + " digits - check if correct");
  else { 
    if (numdigits<10)
      msg (infofield, "warn", "Only " + numdigits + " digits - check if correct");
    else
      msg (infofield, "warn", "");
  }
  return true;
}

// --------------------------------------------
//             validateAge
// Validate person's age
// Returns true if OK 
// --------------------------------------------

function validateAge    (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  var stat = commonCheck (valfield, infofield, required);
  if (stat != proceed) return stat;

  var tfld = trim(valfield.value);
  var ageRE = /^[0-9]{1,3}$/
  if (!ageRE.test(tfld)) {
    msg (infofield, "error", "ERROR: not a valid age");
    setfocus(valfield);
    return false;
  }

  if (tfld>=200) {
    msg (infofield, "error", "ERROR: not a valid age");
    setfocus(valfield);
    return false;
  }

  if (tfld>110) msg (infofield, "warn", "Older than 110: check correct");
  else {
    if (tfld<7) msg (infofield, "warn", "Bit young for this, aren't you?");
    else        msg (infofield, "warn", "");
  }
  return true;
}
function validateOnSubmit() {
    var elem;
    var errs=0;
    // execute all element validations in reverse order, so focus gets
    // set to the first one in error.
    if (!validateTelnr  (document.forms.demo.telnr, 'inf_telnr', true)) errs += 1; 
    if (!validateAge    (document.forms.demo.age,   'inf_age',  false)) errs += 1; 
    if (!validateEmail  (document.forms.demo.email, 'inf_email', true)) errs += 1; 
    if (!validatePresent(document.forms.demo.from,  'inf_from'))        errs += 1; 

    if (errs>1)  alert('There are fields which need correction before sending');
    if (errs==1) alert('There is a field which needs correction before sending');

    return (errs==0);
  };
  
          function passwordStrength(password,passwordStrength,errorField)
        {
            var desc = new Array();
            desc[0] = "ERROR:Require";
            desc[1] = "Weak";
            desc[2] = "Better";
            desc[3] = "Medium";
            desc[4] = "Strong";
            desc[5] = "Strongest";

            var score   = 0;

            //if password bigger than 6 give 1 point
            if (password.length > 1) score++;

            //if password has both lower and uppercase characters give 1 point
            if ( ( password.match(/[a-z]/) ) && ( password.match(/[A-Z]/) ) ) score++;

            //if password has at least one number give 1 point
            if (password.match(/\d+/)) score++;

            //if password has at least one special caracther give 1 point
            if ( password.match(/.[!,@,#,$,%,^,&,*,?,_,~,-,(,)]/) ) score++;

            //if password bigger than 12 give another 1 point
            if (password.length > 12) score++;

            passwordStrength.innerHTML = desc[score];
            passwordStrength.className = "inf_pass" + score;
        }
        
        function checkPass(){
                //Store the password field objects into variables ...
                var pass1 = document.getElementById('pass');
                var pass2 = document.getElementById('conf');
                //Store the Confimation Message Object ...
                var message = document.getElementById('inf_conf');
                //Set the colors we will be using ...
                var goodColor = "#66cc66";
                var badColor = "#ff6666";
                //Compare the values in the password field 
                //and the confirmation field
                if(pass1.value == pass2.value){
                    //The passwords match. 
                    //Set the color to the good color and inform
                    //the user that they have entered the correct password 
                    pass2.style.backgroundColor = goodColor;
                    message.style.color = goodColor;
                    message.innerHTML = "Passwords Match!"
                }else{
                    //The passwords do not match.
                    //Set the color to the bad color and
                    //notify the user.
                    pass2.style.backgroundColor = badColor;
                    message.style.color = badColor;
                    message.innerHTML = "Passwords Do Not Match!"
                }
        }  

        function checkEmail(){
                //Store the password field objects into variables ...
                var pass1 = document.getElementById('email');
                var pass2 = document.getElementById('email-conf');
                //Store the Confimation Message Object ...
                var message = document.getElementById('inf_from');
                //Set the colors we will be using ...
                var goodColor = "#66cc66";
                var badColor = "#ff6666";
                //Compare the values in the password field 
                //and the confirmation field
                if(pass1.value == pass2.value){
                    //The passwords match. 
                    //Set the color to the good color and inform
                    //the user that they have entered the correct password 
                    pass2.style.backgroundColor = goodColor;
                    message.style.color = goodColor;
                    message.innerHTML = "Email Match!"
                }else{
                    //The passwords do not match.
                    //Set the color to the bad color and
                    //notify the user.
                    pass2.style.backgroundColor = badColor;
                    message.style.color = badColor;
                    message.innerHTML = "Email Do Not Match!"
                }
        }  
        
       function AjaxFunction(email)
        {
            var httpxml;
            try
            {
            // Firefox, Opera 8.0+, Safari
                httpxml=new XMLHttpRequest();
            }
            catch (e)
            {
            // Internet Explorer
                try
                {
                    httpxml=new ActiveXObject("Msxml2.XMLHTTP");
                }
                catch (e)
                {
                    try
                    {
                        httpxml=new ActiveXObject("Microsoft.XMLHTTP");
                    }
                    catch (e)
                    {
                        alert("Your browser does not support AJAX!");
                        return false;
                    }
                }
            }
            function stateck() 
            {
                if(httpxml.readyState==4)
                {
                    document.getElementById("msg").innerHTML=httpxml.responseText;
                }
            }
            var url="controller/login/check.php";
            url=url+"?email="+email;
            url=url+"&sid="+Math.random();
            httpxml.onreadystatechange=stateck;
            httpxml.open("GET",url,true);
            httpxml.send(null);
        }
        
        function chechbox()
        {
            if($('#agree').is(':checked')) {
             
           }
           else
               {
                   var message = document.getElementById('inf_checked');
                   message.innerHTML = "Please check the checkbox!";
               }
        }
        
        function upCount()
	{
		clearInterval(interval);
		seconds=seconds+15;
		if(seconds>60)
		{
			clearInterval(interval);
			minutes = minutes+1;
			seconds = seconds-60;
			countdown('countdown');
		}
		else
		{
			countdown('countdown');
		}
				
	}
        function checkOldPass(pass)
        {
            var httpxml;
            try
            {
            // Firefox, Opera 8.0+, Safari
                httpxml=new XMLHttpRequest();
            }
            catch (e)
            {
            // Internet Explorer
                try
                {
                    httpxml=new ActiveXObject("Msxml2.XMLHTTP");
                }
                catch (e)
                {
                    try
                    {
                        httpxml=new ActiveXObject("Microsoft.XMLHTTP");
                    }
                    catch (e)
                    {
                        alert("Your browser does not support AJAX!");
                        return false;
                    }
                }
            }
            function stateckPass() 
            {
                if(httpxml.readyState==4)
                {
                    document.getElementById("msg").innerHTML=httpxml.responseText;
                }
            }
            var url="controller/login/checkPass.php";
            url=url+"?pass="+pass;
            url=url+"&sid="+Math.random();
            httpxml.onreadystatechange=stateckPass;
            httpxml.open("GET",url,true);
            httpxml.send(null);
        }

     // --------------------------------------------
//        
     // --------------------------------------------